Toshiyuki Oka

2 Patents

• US120268692024

  Pavement Condition Rating Method

  CENTRAL NIPPON EXPRESSWAY COMPANY LIMITED

  0 cites
• US118247622023

  Transmission Path Design Apparatus, Transmission Network Topology Design Method, and Transmission Path Design Program for Designing a Communication Path Topology Optimized in View of Reducing Amount of Equipment Needed

  Nippon Telegraph And Telephone Corporation

  0 cites